Preheat the oven to 450°F. Cut the broccoli into small florets. Cut the cabbage into thin wedges. On a large baking sheet, toss broccoli with 1 tbsp oil and push to one side of the pan. Arrange cabbage on the other side of the pan and brush all over with remaining 1 tbsp oil. Season with salt. Bake 20 min., until broccoli is tender.
Meanwhile in a small bowl, squeeze the juice from the orange and whisk in the dressing. Prepare the rice according to package directions.
Chop roasted cabbage, discarding core. Divide rice among 4 bowls. Top with broccoli, cabbage, chicken, and carrots. Drizzle dressing over and top with the cilantro.